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 Homework Statement:

Two infinite, parallel, perfectly conducting plates of a negligible thickness intersect the zaxis at right angles at z= 0.2 m and z = 0, carrying uniform charge densities p(surface charge density) = 45 * 10^6 and 45*10^6 respectively. the lower half of the space(0 <z<1) is filled with a dielectric of epsilon r = 1.5 , and the upper half of the space (0.1 < z < 0.2) is the air, epsilon r = 1.
when the lower plate is maintained at potential V = 0,
find
(a) D, E, P and V in the region 0 < z < 0.2 m
(b) total surface charge density on each plate.
 Relevant Equations:
 D = epsilon0 * E + P
I tried to solve this problem on my own, but I'm not sure whether I solved correctly or not.
it is electromagnetics homework from my Uni, and it is pretty tough for me.
I attached the image of the problem and how I tried to solve this one.
I hope somebody will give some feedback.
it is electromagnetics homework from my Uni, and it is pretty tough for me.
I attached the image of the problem and how I tried to solve this one.
I hope somebody will give some feedback.